Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Preferred stock, authorized	25,000,000	25,000,000
Preferred stock, issued	0	0
Preferred stock, outstanding	0	0
Preferred stock, par value (in Dollars per share)	$ 0	$ 0
Common stock, par value (in Dollars per share)	$ 0	$ 0
Common stock, authorized	250,000,000	250,000,000
Common stock, issued	118,553,000	117,526,000
Common stock, outstanding	118,553,000	117,526,000